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Sound and Vibration Instrument Hire and Calibration

Bruel & Kjaer 4515-B-0002 Specifications


Bruel & Kjaer 4515 Seat Pad Accelerometer
 
Bruel & Kjaer 4515 : Triaxial Seat Pad Accelerometer - compatible with the B&K 4447 Whole Body Vibration version  
 

Deltatron Triaxial Seat Pad including a Bruel & Kjaer 4524-B accelerometer


 

Dynamic Characteristics


Voltage sensitivity : 10 ± 5% mV/ms-2 : 100 mV/g +3 -7%   **
Measuring Range : ± 500 ms-2 : ± 50 g
Frequency Response : 0.4 Hz to 900 Hz - typical.
Mounted Resonance Frequency : > 2700 Hz
Amplitude Response : 0.4 Hz to 900 Hz ± 10%
Transverse Sensitivity : < 5%
 

Electrical Characteristics


Output Impedance : < 30 ohm
DC Output Bias Voltage : + 13 ± 1 V DC
 

Power Requirements

: all three axis must be powered during operation.
Power Supply, unloaded : 24 to 30 V DC
Constant Current : 2 to 10 mA
Warm-up time, 90% of stabilized bias : 10 s
 

Environmental Characteristics


Temperature Range : -10 to +70 degree C
Humidity : Hermetic
Max. Operational Sinusoidal Vibration (peak) : 5000 m/s² : 500 g
Max. Operational Shock (peak) : 50000 m/s² : 5000 g
Thermal Transient Sensitivity : 0.1 m/s²/ °C : g/°F
Magnetic Sensitivity : 50 Hz - 0.03 Tesla : 20 m/s²/T : 2 g/T
 

Physical Characteristics


Dimensions : see outline drawing above
Weight : 345 gram
Seat Pad Material : Oil-resistant Nitrile Rubber, Hardness ~80 IRHD
Cable : Integral Cable, 3 m
Connector : 3 x 10-32 UNF
Mounting : Strapped, adhesive or pressed
 

Notes


The transverse sensitivity measurement is associated with approximately 4% uncertainty from electrical noise of the test equipment.
All values are typically at 25°C (77°F) unless measurement uncertainty is specified.
 
E&OE - specifications subject to change without notice.